Release 04/02

Fault Diagnosis

6.2External Screen Remains Dark

Cause/Remedy

The following causes are possible:

Monitor is switched off

SSwitch on the screen.

Screen has been dimmed

SPress any key on the keyboard.

Brightness control set to dark

SSet the screen brightness control lighter. Please refer to the monitor operating manual for more detailed information.

Power cable or monitor cable not connected

SSwitch the monitor and computing unit off.

SCheck that the power cable is properly connected to the monitor and to the computing unit or a grounded shockproof socket.

SCheck that the monitor cable is properly connected to the computing unit and monitor (where a plug is available).

SSwitch the monitor and computing unit on.

Note

If the monitor screen remains dark following these checks and corrective measures, contact the technical service department.

Panel PC 670 Computing Unit, Equipment Manual

6-3

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Siemens PC 670 manual External Screen Remains Dark, Cause/Remedy